“Evil Virus” Demyan is fourteen, and he is a cool hacker. The guy can hack any website and write a complex virus. But the Internet is a place where it can be truly dangerous, and one day a student's special skills land him in serious trouble. A monster has appeared on the Internet, sending out threatening letters, and Demyan will have to figure out who exactly is hiding under the mask of the monster. But the guy didn’t calculate his strength and got involved in a deadly game... “Battle of the Sorcerers” Demyan is sure that all the misadventures in his life are not without reason, someone sent a curse on him. The guy decided to figure this out and went to the television program “Battle of Sorcerers” to get help from the strongest magicians and witches in the country. But he forgot a simple rule: if you think everything is bad in your life, one day things might get even worse! And now Demyan is haunted by a shadow that is sapping his strength. For some time the guy manages to run away from her, but sooner or later, if nothing is done, the deadly race will end... “Under the Mask of a Ghoul” One day, Demyan, as a great specialist in evil spirits, and part-time a cool hacker, was asked to deal with strange messages containing threats. The guy was one hundred percent sure that this was all nothing more than a stupid prank. But when the game went too far, terrible threats came true, and friends turned out to be not who they said they were, even an experienced hacker felt uneasy...